Vertical machining center

Abstract

The utility model provides a vertical machining center which comprises a machining center body, the machining center body comprises a movable frame, the movable frame can horizontally move and ascend and descend on the machining center body, a tool base is arranged at the end of the movable frame, a rotatable arc-shaped frame is further arranged at the bottom of the movable frame, and an arc-shaped frame is arranged in the arc-shaped frame in a sliding mode. A driving assembly for driving the arc-shaped frame to slide is arranged on the arc-shaped frame, a connecting base is arranged at the end of the arc-shaped frame, and a pressing ball connected through a telescopic assembly is arranged at the bottom of the connecting base. According to the machining center, displacement caused by vibration of a workpiece due to vibration of the machining center body in the machining process can be avoided, and the pressing balls can roll on the surface of the workpiece along with the movement of the moving frame in the movement process, so that the machining position is adaptively pressed, the pressing effect is improved, the machining precision is effectively improved, and the machining quality is improved. And the defective rate is reduced.

Description

Technical Field

[0001] This invention relates to the field of machining technology, specifically to a vertical machining center. Background Technology

[0002] In the field of modern machining, vertical machining centers are widely used in the processing and manufacturing of various parts due to their high efficiency and multifunctionality. Especially in the processing of thin sheet parts, the stability and precision requirements of the machining equipment are extremely high because of the poor rigidity and thinness of these parts.

[0003] Traditional vertical machining centers typically employ rigid connections to assemble components such as the machine base, column, and worktable. During machining, the high-speed rotation of the machine spindle and the cutting force of the tool generate significant vibrations. These vibrations are directly transmitted to the worktable through the rigid structure of the machine tool. When machining thin, sheet-like parts, which have weak vibration resistance, they are easily affected by vibrations, leading to vibration and displacement. Once the workpiece vibrates and shifts, the actual cutting position of the tool deviates from the pre-programmed position, resulting in a significant reduction in machining accuracy.

[0004] Currently, while some machining centers employ vibration reduction measures, such as installing vibration-damping pads under the machine tool base or adding rubber vibration-damping layers between the worktable and the column, these methods only alleviate vibration to a certain extent and cannot fundamentally solve the problem of vibration transmission to the workpiece. Especially when machining high-precision thin sheet parts, existing vibration reduction methods are insufficient to meet machining requirements, resulting in a high defect rate during processing. This not only increases production costs but also seriously affects production efficiency and product quality. Therefore, a vertical machining center is proposed to address these issues. Utility Model Content

[0005] To address the shortcomings of existing technologies, this invention proposes a vertical machining center to solve the technical problem mentioned in the background art: when machining thin sheet-like parts, existing vertical machining centers tend to transmit the vibration generated by the machining center to the workpiece, causing the workpiece to vibrate or even displace, thereby reducing machining accuracy and increasing the defect rate.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a vertical machining center, comprising:

[0007] The machining center body includes a movable frame, which can be translated and raised / lowered on the machining center body, and a tool holder is provided at the end of the movable frame;

[0008] An arc-shaped frame is rotatably mounted at the bottom of the movable frame;

[0009] An arc-shaped frame is slidably disposed within the arc-shaped frame, and a driving component for driving the arc-shaped frame to slide is provided on the arc-shaped frame; and

[0010] A connecting seat is provided at the end of the arc-shaped frame, and a pressure ball connected to the bottom of the connecting seat via a telescopic component is provided.

[0011] In a preferred embodiment, a servo motor is provided at the bottom of the moving frame, the servo motor is arranged in a staggered manner with the tool holder, and the arc-shaped frame is provided at the end of the servo motor.

[0012] In a preferred embodiment, the driving component includes:

[0013] A drive motor is mounted on the arc-shaped frame, and a worm gear is mounted on the output shaft of the drive motor; and

[0014] The worm gear teeth are arranged on the arc-shaped frame and mesh with the worm.

[0015] In a preferred embodiment, the telescopic component includes:

[0016] The telescopic rod is mounted on the connecting seat; and

[0017] The mounting base is fixedly installed at the telescopic end of the telescopic rod, and the pressure ball is rotatably embedded in the mounting base.

[0018] In a preferred embodiment, the compression ball is made of a flexible material.

[0019] In a preferred embodiment, a guide block is arranged inside the arc-shaped frame, and a guide groove is provided on the arc-shaped frame, with the guide block slidably engaged in the guide groove.

[0020] Compared with the prior art, the present invention has the following beneficial effects:

[0021] During operation, the workpiece to be processed can be placed on the receiving platform on the main body of the machining center. The workpiece can be rotated by controlling the main body of the machining center to perform multi-angle processing. In the process of processing thin plate parts, the arc frame can be rotated by controlling the arc frame to drive the arc frame to rotate. The arc frame can also be controlled to slide within the arc frame by the drive component, so that the angle of the telescopic component deflects. Finally, the telescopic component extends and retracts, driving the pressure ball to move until the pressure ball abuts against the surface of the workpiece, thereby securing the workpiece. This prevents the workpiece from vibrating and displacing due to the vibration of the main body of the machining center during processing. During the movement of the moving frame, the pressure ball can follow the movement and roll on the surface of the workpiece, thereby adaptively pressing the processing position, improving the pressing effect, and thus effectively improving the processing accuracy and reducing the defect rate. Attached Figure Description

[0022] To more clearly illustrate the specific embodiments of the present invention, the accompanying drawings used in the specific embodiments will be briefly described below. In all the drawings, the elements or parts are not necessarily drawn to scale.

[0023] Figure 1 A three-dimensional structural diagram of a vertical machining center provided by the present invention;

[0024] Figure 2 This is a schematic diagram of the mounting structure of the clamping ball in a vertical machining center according to the present invention;

[0025] Figure 3 for Figure 2 The front view;

[0026] Figure label:

[0027] 1. Machining center body; 2. Moving frame; 3. Tool holder; 4. Servo motor; 5. Arc frame; 6. Guide block; 7. Drive motor; 8. Worm gear; 9. Arc frame; 10. Worm gear teeth; 11. Guide groove; 12. Connecting seat; 13. Telescopic rod; 14. Mounting seat; 15. Pressure ball. Detailed Implementation

[0028] The present invention will now be described in further detail with reference to the accompanying drawings. It should be noted that the following specific embodiments are only used to further illustrate the present invention and should not be construed as limiting the scope of protection of the present invention. Those skilled in the art can make some non-essential improvements and adjustments to the present invention based on the above application content.

[0029] Example:

[0030] like Figure 1 , 2 As shown, the present invention provides a vertical machining center, including a machining center body 1, the machining center body 1 including a movable frame 2, the movable frame 2 can be translated and raised on the machining center body 1, a tool holder 3 is provided at the end of the movable frame 2, and an arc frame 5 is also provided at the bottom of the movable frame 2.

[0031] This machining center adopts a traditional vertical machining center. The motion control of the moving frame 2 is a built-in function of traditional vertical machining centers, and its principle and circuit connection will not be described in detail here. Moreover, the support table of most vertical machining centers with transmission has the function of flipping the workpiece. Specifically, the movement of the moving frame 2 can drive the movement of the tool holder 3 and the arc frame 5, so that the tool can contact the workpiece for machining.

[0032] like Figure 2 , 3As shown, in this embodiment, a servo motor 4 is provided at the bottom of the movable frame 2, and the servo motor 4 is arranged in a staggered manner with the tool holder 3. An arc-shaped frame 5 is provided at the end of the servo motor 4. An arc-shaped frame 9 is provided inside the arc-shaped frame 5, and a drive assembly for driving the arc-shaped frame 9 to slide is provided on the arc-shaped frame 5. The drive assembly includes a drive motor 7 provided on the arc-shaped frame 5, a worm gear 8 provided on the output shaft of the drive motor 7, and worm gear teeth 10 provided on the arc-shaped frame 9. The worm gear teeth 10 mesh with the worm gear 8.

[0033] The arc frame 5 can be rotated by the servo motor 4, and the worm 8 can be rotated by the drive motor 7. The worm 8 and the worm wheel 10 mesh to drive the arc frame 9 to slide within the arc frame 5, thereby adjusting the position and end angle of the arc frame 9. A guide block 6 is arranged inside the arc frame 5, and a guide groove 11 is provided on the arc frame 9. The guide block 6 is slidably locked in the guide groove 11. The movement of the arc frame 9 is positioned by the cooperation between the guide block 6 and the guide groove 11, thereby improving the control accuracy.

[0034] like Figure 2 , 3 As shown, in this embodiment, the end of the arc frame 9 is provided with a connecting seat 12, and the bottom of the connecting seat 12 is provided with a pressing ball 15 connected by a telescopic assembly. The telescopic assembly includes a telescopic rod 13 provided on the connecting seat 12, and the telescopic end of the telescopic rod 13 is provided with a mounting seat 14. The pressing ball 15 is rotatably embedded in the mounting seat 14.

[0035] By controlling the rotation and sliding of the arc frame 9, the angle of the telescopic rod 13 can be adjusted. By controlling the extension and retraction of the telescopic rod 13, the pressure ball 15 can be moved to any position, so that the pressure ball 15 can come into contact with the workpiece. The pressure ball 15 is made of flexible material, which avoids scratching the workpiece and can better press the workpiece.

[0036] Specific usage and beneficial effects of the present invention:

[0037] During operation, the workpiece to be processed can be placed on the receiving platform on the main body 1 of the machining center. The workpiece can be rotated by the main body 1 to perform multi-angle processing. In the process of processing thin plate parts, the arc frame 5 can be rotated to drive the arc frame 9 to rotate. The arc frame 9 can also be controlled to slide within the arc frame 5 by the drive component, so that the angle of the telescopic component deflects. Finally, the telescopic component extends and retracts to drive the pressure ball 15 to move until the pressure ball 15 abuts against the surface of the workpiece, thereby securing the workpiece and preventing displacement caused by vibration of the main body 1 during processing. During the movement of the moving frame 2, the pressure ball 15 can follow the movement and roll on the surface of the workpiece, thereby adaptively pressing the processing position, improving the pressing effect, and thus effectively improving the processing accuracy and reducing the defect rate.

[0038] The foregoing has shown and described the basic principles, main features, and advantages of the present invention. It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above. Modifications or improvements can be made to the present invention, which will be obvious to those skilled in the art. Therefore, all such modifications or improvements made without departing from the spirit of the present invention fall within the scope of protection claimed by the present invention.

Claims

1. A vertical machining center, characterized in that, Including: The machining center body (1) includes a movable frame (2), which can be moved horizontally and vertically on the machining center body (1), and a tool holder (3) is provided at the end of the movable frame (2). An arc-shaped frame (5) is rotatably mounted at the bottom of the movable frame (2); An arc-shaped frame (9) is slidably disposed within the arc-shaped frame (5), and the arc-shaped frame (5) is provided with a driving component for driving the arc-shaped frame (9) to slide; and A connecting seat (12) is provided at the end of the arc frame (9), and a pressure ball (15) connected by a telescopic assembly is provided at the bottom of the connecting seat (12).

2. A vertical machining center according to claim 1, characterized in that: The bottom of the mobile frame (2) is provided with a servo motor (4), which is staggered from the tool holder (3), and the arc frame (5) is provided at the end of the servo motor (4).

3. A vertical machining center according to claim 1, characterized in that, The driving component includes: A drive motor (7) is mounted on the arc-shaped frame (5), and a worm gear (8) is mounted on the output shaft of the drive motor (7); and The worm gear teeth (10) are arranged on the arc frame (9) and mesh with the worm (8).

4. A vertical machining center according to claim 1, characterized in that, The telescopic component includes: Telescopic rod (13) is mounted on the connecting seat (12); and Mounting base (14) is fixedly installed at the telescopic end of the telescopic rod (13), and the pressing ball (15) is rotatably embedded in the mounting base (14).

5. A vertical machining center according to claim 1, characterized in that: The compression ball (15) is made of flexible material.

6. A vertical machining center according to claim 1, characterized in that: A guide block (6) is arranged inside the arc frame (5), and a guide groove (11) is provided on the arc frame (9). The guide block (6) is slidably engaged in the guide groove (11).

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